package com.heima.test3;

public class Test {
    public static void main(String[] args) {
        System.out.println(MathUtils.add(1, 2, 3, 4));
        System.out.println(MathUtils.subtract(9, 4));
        System.out.println(MathUtils.multiply(2, 3, 4));
        System.out.println(MathUtils.divide(9, 3));
    }
}
